138738398656

Names of 138738398656

• Cardinal: 138738398656 can be written as One hundred thirty-eight billion, seven hundred thirty-eight million, three hundred ninety-eight thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.38738398656 × 10¹¹

Factors of 138738398656

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 400

Divisors of 138738398656

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 44 52 64 67 88 104 121 134 143 176 208 242 268 286 307 352 416 484 536 572 614 704 737 832 871 968 1072 1144 1228 1474 1573 1742 1936 2144 2288 2456 2948 3146 3377 3484 3872 3991 4288 4489 4576 4912 5896 6292 6754 6968 7744 7982 8107 8978 9152 9581 9824 11792 12584 13508 13936 15964 16214 17956 19162 19648 20569 23584 25168 27016 27872 31928 32428 35912 37147 38324 41138 43901 47168 49379 50336 54032 55744 58357 63856 64856 71824 74294 76648 82276 87802 98758 100672 105391 108064 116714 127712 129712 143648 148588 153296 164552 175604 197516 210782 216128 226259 233428 255424 259424 267397 287296 297176 306592 329104 351208 395032 421564 452518 466856 482911 518848 534794 543169 594352 613184 641927 658208 702416 790064 843128 905036 933712 965822 1069588 1086338 1188704 1283854 1316416 1378123 1404832 1580128 1686256 1810072 1867424 1931644 2139176 2172676 2377408 2488849 2567708 2756246 2809664 2941367 3160256 3372512 3620144 3734848 3863288 4278352 4345352 4977698 5135416 5512492 5882734 6745024 7061197 7240288 7726576 8556704 8690704 9955396 10270832 11024984 11765468 14122394 14480576 15159353 15453152 17113408 17381408 17915599 19910792 20541664 22049968 23530936 28244788 30318706 30906304 32355037 34762816 35831198 39821584 41083328 44099936 47061872 56489576 60637412 64710074 71662396 79643168 88199872 94123744 112979152 121274824 129420148 143324792 159286336 166752883 188247488 197071589 225958304 242549648 258840296 286649584 333505766 394143178 451916608 485099296 517680592 573299168 667011532 788286356 970198592 1035361184 1146598336 1334023064 1576572712 2070722368 2167787479 2668046128 3153145424 4335574958 5336092256 6306290848 8671149916 10672184512 12612581696 17342299832 34684599664 69369199328 138738398656
• Sum of all divisors σ(n): 331904501544
• Sum of proper divisors (its aliquot sum) s(n): 193166102888
• 138738398656 is an abundant number, because the sum of its proper divisors (193166102888) is greater than itself. Its abundance is 54427704232

Bases of 138738398656

• Binary: 10000001001101011100111111010111000000₂
• Hexadecimal: 0x204D73F5C0
• Base-36: 1RQH9DJ4

Squares and roots of 138738398656

• 138738398656 squared (138738398656²) is 19248343261631182606336
• 138738398656 cubed (138738398656³) is 2670484320899718321278577079484416
• The square root of 138738398656 is 372476.0376937021
• The cube root of 138738398656 is 5176.8497347193

Scales and comparisons

• 138,738,398,656 seconds is equal to 4,411 years, 23 weeks, 3 days, 12 hours, 4 minutes, 16 seconds.
• To count from 1 to 138,738,398,656 would take you about eight thousand, eight hundred twenty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138738398656 cubic inches would be around 431.4 feet tall.

Recreational maths with 138738398656

• 138738398656 backwards is 656893837831
• 138738398656 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138738398656's digits is 67
• More coming soon!